Audio controller



The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawings will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front view of an audio controller in accordance with the invention;

FIG. 2 is a top view of the audio controller shown in FIG. 1; and,

FIG. 3 is a side view of the audio controller shown in FIG. 1.

The broken lines in the drawings show portions of an audio controller and form no part of the claimed design. 

The ornamental design for an audio controller, as shown and described. 